package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理
 */
@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("[》》》分类-添加数据--category]:{}",category);
        categoryService.save(category);
        return R.success("添加成功");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(Long page,Long pageSize){
        log.info("[》》》分类-分页查询--页码]: page={},pageSize={}",page,pageSize);
        return R.success(categoryService.page(
                        new Page<Category>(page,pageSize),
                new LambdaQueryWrapper<Category>().orderByAsc(Category::getSort)
        ));
//        //分页构造器
//        Page<Category> pageInfo = new Page<>(page,pageSize);
//        //条件构造器
//        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
//        //添加排序条件，根据sort进行排序
//        queryWrapper.orderByAsc(Category::getSort);
//
//        //分页查询
//        categoryService.page(pageInfo,queryWrapper);
//        return R.success(pageInfo);
    }
    /**
     * 根据id删除分类
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> deleteById(Long id){
        log.info("[》》》分类-id删除]: id={}",id);

        //categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("分类信息删除成功");
    }

    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("[》》》修改分类信息-category]: {}",category);
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    //---接口-查菜品分类/category/list ?type=1-----------------------------------------
    @GetMapping("/list")
    public R<List<Category>> selectCategoryList(Category category){
        Integer type = category.getType();
        log.info("[===查找分类列表--type]: {}",type);
        LambdaQueryWrapper<Category> qwr=new LambdaQueryWrapper<>();
        qwr.eq(type!=null,Category::getType,type)
                //.eq(type==null,Category::getType,"1")
                .orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> list = categoryService.list(qwr);

        //优化：type为null时，表示【客户端】调用
        if(type==null){
            for (Category category1 : list) {
                if (category1.getType()==2){category1.setName("*"+category1.getName());}
            }
        }
        return R.success(list);
    }
}
